Fix bug #310

src/sakia/gui/community_tile.py

@@ -9,7 +9,7 @@ from PyQt5.QtWidgets import QFrame, QLabel, QVBoxLayout, QLayout
 from PyQt5.QtCore import QSize, pyqtSignal
 from ucoinpy.documents.block import Block
 
-from ..tools.decorators import asyncify
+from ..tools.decorators import asyncify, once_at_a_time, cancel_once_task
 from ..tools.exceptions import NoPeerAvailable
 from sakia.gui.widgets.busy import Busy
 
@@ -55,6 +55,10 @@ class CommunityTile(QFrame):
         if state != self._state:
             self.refresh()
 
+    def cancel_refresh(self):
+        cancel_once_task(self, self.refresh)
+
+    @once_at_a_time
     @asyncify
     @asyncio.coroutine
     def refresh(self):

src/sakia/gui/homescreen.py

@@ -29,6 +29,7 @@ class FrameCommunities(QFrame):
 
     def refresh(self, app):
         for t in self.tiles:
+            t.cancel_refresh()
             t.setParent(None)
         self.tiles = []
         if app.current_account: